Date: Mon, 30 Jun 2003 00:54:34 +0200 From: "Petri Helenius" <pete@he.iki.fi> To: "David Gilbert" <dgilbert@velocet.ca>, "Gregory Sutter" <gsutter@zer0.org> Cc: freebsd-performance@freebsd.org Subject: Re: Tuning Gigabit Message-ID: <008c01c33e91$730d7e30$44d5473e@PETEX31> References: <20030628190036.0E06B37B405@hub.freebsd.org><000f01c33dad$1595a0f0$e602a8c0@flatline><16126.9805.829406.368426@canoe.velocet.net><20030629003134.GV71533@klapaucius.zer0.org> <16126.18820.474512.227009@canoe.velocet.net>
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Related to this subject, it would help if one of the tools, or dmesg would give PCI clock, width and possible waitstates configured for the slot. I couldnīt figure out how to make pciconf or similar to display them... Pete ----- Original Message ----- From: "David Gilbert" <dgilbert@velocet.ca> To: "Gregory Sutter" <gsutter@zer0.org> Cc: "David Gilbert" <dgilbert@velocet.ca>; <freebsd-performance@freebsd.org> Sent: Sunday, June 29, 2003 4:05 AM Subject: Re: Tuning Gigabit > >>>>> "Gregory" == Gregory Sutter <gsutter@zer0.org> writes: > > Gregory> Will you please summarize the motherboard performance data so > Gregory> we know which boards to buy and which to skip? Thanks. > > I've been working on such a summary. So far, the 'nvidia' chipset > boards have all tested badly. They couldn't be coaxed to pass more > than 100meg of traffic by any means we could discern. > > The K7S5A has been our mainstay. Many of them are DOA, but the ones > that pass a couple weeks of cpuburn (see port) ... both on cpu and > memory tests ... work amazingly well. These boards are limited to 300 > megabit total thruput by being a 33Mhz 32bit PCI bus. > > We've been testing mainly Athlon boards ... we havn't seen good P4 > boards ... but most of the boards we've had through for the P4 have > been workstation and not server boards. > > The tiger tyan MPX is a dual board with 64 bit slots. I havn't had > time to fully benchmark it becuase we use it as a fairly primary > database server ... but it has generally been able to perform at or > near the top of the class. > > There is an ASUS dusl board with 32-bit only slots and the AMD 76x > chipset (unfortunately it's far away and I can't look at it). it's > 32-bit slots run at 66Mhz and have extrodinarily good thruput. > AFAICT, it's currently out of production ... but the dual board on the > ASUS site looks very good. > > Dave. > > -- > ============================================================================ > |David Gilbert, Velocet Communications. | Two things can only be | > |Mail: dgilbert@velocet.net | equal if and only if they | > |http://daveg.ca | are precisely opposite. | > =========================================================GLO================ > _______________________________________________ > freebsd-performance@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-performance > To unsubscribe, send any mail to "freebsd-performance-unsubscribe@freebsd.org" >
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